Omron SYSMAC C20P Operation Manual page 111

I/O Response Time
Calculation Example
104
The data in the following table would produce the minimum and maximum
scan times shown calculated below.
Input ON-delay
Scan time
Input refresh time
Overseeing time
Output ON-delay
Minimum I/O response time = 1.5 + 20 + 0.23 + 3.0 +15 = 39.73 ms
Maximum I/O response time = 1.5 + (20 x 2) + 3.0 +15 = 59.5 ms
1.5 ms
20 ms
0.23 ms
3.0 ms
15 ms
Section 6–5